CVE-2021-37592
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.
Overview
- CVE ID
- CVE-2021-37592
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-19T15:15:08
- Last Modified Date
- 2021-11-23T17:56:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | 1 | OR | 5.0.8 | |
| cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | 1 | OR | 6.0.0 | 6.0.4 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/OISF/suricata/releases | Release Notes Third Party Advisory |
| https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942 | Release Notes Vendor Advisory |
| https://redmine.openinfosecfoundation.org/issues/4569 | Permissions Required Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-37592 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37592 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:45:17 | Added to TrackCVE | |||
| 2022-12-05 14:53:29 | 2021-11-19T15:15Z | 2021-11-19T15:15:08 | CVE Published Date | updated |
| 2022-12-05 14:53:29 | 2021-11-23T17:56:15 | CVE Modified Date | updated | |
| 2022-12-05 14:53:29 | Analyzed | Vulnerability Status | updated |